Dennis Lockhart, the president of the Atlanta Federal Reserve, has called for the Fed to focus on monetary and credit aggregates.

Lockhart said in Arlington, Virginia on Monday that the aggregates were worthy of "renewed focus" given the anxiety about the Fed's exceptionally large balance sheet, which has increased in size from $855 billion as of August 2007 to $2.53 trillion as of last week. "The anxiety revolves around fear that reserves currently idle on bank balance sheets will suddenly come